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Swift-XRT spectra of GRB 200205B

Last updated after receiving ObsID 00954519004, version 15

Data were analysed using HEASOFT version 6.29

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The spectral fits assume a redshift: 1.465 (GCN 26998)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 349 to 57014 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+478 s

NH (Galactic)1.04 × 1021 cm-2
NH (intrinsic)5.5 (+1.2, -1.2) × 1021 cm-2
z of absorber1.465
Photon index1.123 (+0.027, -0.026)
Flux (0.3-10 keV)
(Observed)
5.88 (+0.11, -0.11) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.33 (+0.11, -0.10) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.91 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.35 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
947.39 (863)
Spectrum exposure360 s

PC mode. Mean photon arrival: T0+14077 s

NH (Galactic)1.04 × 1021 cm-2
NH (intrinsic)0 (+2.77 × 1021, -0) cm-2
z of absorber1.465
Photon index1.878 (+0.192, -0.091)
Flux (0.3-10 keV)
(Observed)
2.49 (+0.23, -0.29) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.99 (+0.26, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.26 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
179.98 (250)
Spectrum exposure9.7 ks

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Late Time spectrum (T0 + 5290 to 57014 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16314 s

NH (Galactic)1.04 × 1021 cm-2
NH (intrinsic)0 (+3.52 × 1021, -0) cm-2
z of absorber1.465
Photon index1.90 (+0.19, -0.13)
Flux (0.3-10 keV)
(Observed)
1.99 (+0.21, -0.23) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.39 (+0.22, -0.20) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.54 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.25 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
154.50 (231)
Spectrum exposure9.4 ks

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